header{
            height: 1.5116rem;
            display: flex;
            /*子元素垂直居中
            align-items: center;*/
            position: relative;
            background-color: #ffffff;
            box-shadow: 0rem .15rem .15rem rgba(128, 128, 128, 0.201);
        }
        header .title{
            /*
            border: 1px solid red;*/
            display: inline-block;
            /**/
            width: 7rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            height: .3865rem;
            font-size: .3865rem;
            font-weight: 600;
            /*水平居中
            margin: 0 auto;*/
            /*文本水平垂直居中*/
            text-align: center;
            line-height: .3865rem;
            letter-spacing: .025rem;
            /*位置*/
            position: absolute;
            bottom: .3382rem;
            left: 50%;
            transform: translateX(-3.5rem);

        }
        header .left{
            width: .628rem;
            height: .628rem;
            background-image: url(../images/header/left.png);
            background-size: contain;
            background-repeat: no-repeat;
            /*位置*/
            position: absolute;
            bottom: .2174rem;
            left: .2174rem;

        }
        header .backBtn{
            width: 1.1rem;
            height: 1.1rem;
            
            /*位置*/
            position: absolute;
            bottom: 0rem;
            left: 0rem;
            position: absolute;
            z-index: 100;
        }
